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Regulatory hub · UK status

Tirzepatide: UK regulatory status

Also known as: Mounjaro, Zepbound

Last reviewed . Editorial commentary, not legal advice.

MHRA: Prescription Only Medicine Not currently listed on the WADA Prohibited List
AI-friendly summary · Tirzepatide

Tirzepatide is a Prescription Only Medicine in the UK with MHRA marketing authorisation for type 2 diabetes and chronic weight management. It is not a controlled drug. Branded promotion to the public is prohibited under ASA and MHRA rules for POM.

Misuse of Drugs Act 1971

Tirzepatide does not appear on any schedule of the Misuse of Drugs Act 1971.

Psychoactive Substances Act 2016

Tirzepatide is not covered by the Psychoactive Substances Act 2016.

MHRA and medicines classification

Tirzepatide is classified as a Prescription Only Medicine under the Human Medicines Regulations 2012. UK marketing authorisation is held by the originator manufacturer. It is dispensed through registered UK pharmacies on a valid prescription from a qualified UK prescriber.

See: MHRA medicines classification (POM, P, GSL).

WADA Prohibited List position

Tirzepatide is not currently named on the WADA Prohibited List. Tested athletes should consult WADA and their federation directly.

See: WADA Prohibited List and peptides.

ASA advertising framing

POM medications cannot be advertised to the public under the Human Medicines Regulations 2012. UK clinics may state they offer "weight loss treatment" or "GLP-1 medications" generically; named-brand promotion to the public is prohibited.

See: ASA rules on weight-loss advertising.

Primary sources

When in doubt about your specific position, consult MHRA directly via the MHRA contact page or seek qualified UK medicines law advice.

Frequently asked questions

Is Tirzepatide legal in the UK?
Tirzepatide is a Prescription Only Medicine in the UK with MHRA marketing authorisation for type 2 diabetes and chronic weight management. It is not a controlled drug. Branded promotion to the public is prohibited under ASA and MHRA rules for POM.
What is the MHRA position on Tirzepatide?
Tirzepatide is classified as a Prescription Only Medicine under the Human Medicines Regulations 2012. UK marketing authorisation is held by the originator manufacturer. It is dispensed through registered UK pharmacies on a valid prescription from a qualified UK prescriber.
Is Tirzepatide on the WADA Prohibited List?
Tirzepatide is not currently named on the WADA Prohibited List. Tested athletes should consult WADA and their federation directly.
What can UK sellers say about Tirzepatide in adverts?
POM medications cannot be advertised to the public under the Human Medicines Regulations 2012. UK clinics may state they offer "weight loss treatment" or "GLP-1 medications" generically; named-brand promotion to the public is prohibited.

Related: Tirzepatide editorial entry · UK regulatory hub.

Reviewed by Oliver Mackman, editorial director · last reviewed 2026-05-22T12:00:00.000Z